feat: Vulkan-CUDA interop — zero-copy GPU memory sharing#10

Merged

Cle2ment merged 7 commits into

feat/vulkan-cuda-interop

Jun 4, 2026

Commits on Jun 4, 2026

feat: update Walnut submodule with Vulkan external memory support
Cle2ment
committed
feat: add VkCUDAInterop RAII wrapper for Vulkan-CUDA external memory sharing
Cle2ment
committed
feat: add interop output buffer support in CUDA renderer — skip D2H copy when interop active
Cle2ment
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feat: integrate VkCUDAInterop into render pipeline — bypass CPU copy with ImGui toggle
Cle2ment
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fix: remove cudaFree on external memory, add VkMemoryDedicatedAllocateInfo, add buffer memory barrier, guard interop with WL_CUDA
Cle2ment
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refactor: replace Walnut submodule URL with Cle2ment/Walnut fork
Cle2ment
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fix: swap include order — VkCUDAInterop.h before CUDARenderer.h to predefine CUDART_VERSION, resolving float3 redefinition on CI
Cle2ment
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